require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper") require "prawn/measurement_extensions" describe "Measurement units" do it "should convert units to PostScriptPoints" do 1.mm.should.be.close(2.834645669, 0.000000001) 1.mm.should == (72 / 25.4) 2.mm.should == (2 * 72 / 25.4) 3.mm.should == 3 * 72 / 25.4 -3.mm.should == -3 * 72/25.4 1.cm.should == 10 * 72 / 25.4 1.dm.should == 100 * 72 / 25.4 1.m.should == 1000 * 72 / 25.4 1.in.should == 72 1.ft.should == 72 * 12 1.yd.should == 72 * 12 * 3 1.pt.should == 1 end end